Intraductal papillary mucinous neoplasm

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Synonyms and keywords: Grandfather tumor

Overview

Intraductal papillary mucinous neoplasm is most common in men in their 7th decade. Clinical symptoms are similar to chronic pancreatitis. The main duct type is more likely to be malignant when compared to the branch duct type.

Diagnosis

The imaging findings are

Duct dilatation

- Main duct or side branch
- Diffuse or focal (cystic appearing)

Pancreatic glandular atrophy
Calcification
Bulging duodenal papilla (diagnostic of IPMN on ERCP)

References

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